The initial L3 Response activation period should not exceed three months. During this period, IASC member organisations should put in place the required capacities – i.e. longer-term funding, staffing and leadership arrangements – to allow transition from a L3 Response. Practice to date has seen L3 Responses in complex and protracted crisis settings – Syria, South Sudan, CAR and Iraq – extended well beyond the initial three-month period due to the prolonged nature of these crises. This needs to change. In the future, L3 Response extensions will be considered only in exceptional circumstances and for a maximum additional period of nine months (bringing the maximum total duration of a L3 Response to one year). However, individual agencies may internally extend L3 status, depending on the nature and duration of the emergency.